[#MDEV-15689] Fix Item_func_set_collation to pass the collation using CHARSET

[MDEV-15689] Fix Item_func_set_collation to pass the collation using CHARSET_INFO instead of Item Created: 2018-03-27 Updated: 2018-03-27 Resolved: 2018-03-27
Status:	Closed
Project:	MariaDB Server
Component/s:	Character Sets
Fix Version/s:	10.3.6

Type:

Task

Priority:

Major

Reporter:

Alexander Barkov

Assignee:

Alexander Barkov

Resolution:

Fixed

Votes:

Labels:

None

Issue Links:

Blocks
blocks	~~MDEV-4912~~	Data type plugin API version 1	Closed
blocks	~~MDEV-14630~~	Replace {STRING\|INT\|REAL\|DECIMAL\|DATE...	Closed

Description

We'll be replacing data type specific constants STRING_ITEM, INT_ITEM, REAL_ITEM, DECIMAL_ITEM, DATE_ITEM to LITERAL_ITEM soon (see ~~MDEV-14630~~).

Under terms of this task we'll remove usage of STRING_ITEM in Item_func_set_collation.

We'll change the constructor from:

  Item_func_set_collation(THD *thd, Item *a, Item *b):

to:

  Item_func_set_collation(THD *thd, Item *a, CHARSET_INFO *set_collation):

and update sql_yacc.yy accordingly.

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